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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage REACH SVHC Min Supply Voltage Frequency Height Width Mounting Type Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Max Power Dissipation Number of Outputs Feature Number of Voltages Monitored Supplier Device Package Logic Function Access Time Memory Size Function Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1306EN+T DS1306EN+T Maxim Integrated 0.0000
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0.00000000 download 2005 yes 1 20 EAR99 6.5mm Non-RoHS Compliant 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm R-PDSO-G20 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE
RX-4803SA:UB3 PURE SN RX-4803SA:UB3 PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX-4803SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
M48T212V-85MH1E M48T212V-85MH1E STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 3.3V ROHS3 Compliant 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 85GHz 8.56mm Surface Mount 0°C~70°C CMOS 10mA 3.05mm Clock/Calendar DUAL 260 3.3V 10 M48T212 44 Timer or RTC Not Qualified 1W Alarm, Leap Year, Watchdog Timer, Y2K 1 85 ns 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 2mA @ 3V~3.6V 3V
RX-8035SA:AC0 PURE SN RX-8035SA:AC0 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RTC4543SA:B3:ROHS RTC4543SA:B3:ROHS Epson America, Inc 0.0000
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Min: 1

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0.00000000 download Tape and Reel LTB Yes with exemptions 14 Clock/Calendar HH:MM:SS DW:DM:M:Y
RX-4801SA:UB0 PURE SN RX-4801SA:UB0 PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) RX-4801SA Not For New Designs 1 (Unlimited) 14 ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 4-Wire Serial Surface Mount -40°C~85°C CMOS Clock/Calendar DUAL GULL WING 3V YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 3V Alarm 1.6V~5.5V SECONDS Y YES SERIAL, FIXED PROTOCOL 2.1μA~3.4μA @ 3V~5V
RX-8581JE:B0 I2C-BUS RX-8581JE:B0 I2C-BUS EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
RTC-63421B RTC-63421B Seiko 0.0000
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Min: 1

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0.00000000
RTC-4543SA:B0:PURE SN RTC-4543SA:B0:PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4543SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 14-SOP 2.5V~5.5V 1μA~3μA @ 2V~5V
X1227S8I X1227S8I Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 INDUSTRIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
AB-RTCMC-32.768KHZ-EOZ9-S3-D-B-T AB-RTCMC-32.768KHZ-EOZ9-S3-D-B-T Abracon LLC 0.0000
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0.00000000
RV-3029-C2-32.768KHZ-OPTION-A-TB-QA RV-3029-C2-32.768KHZ-OPTION-A-TB-QA Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-TCDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RTC-8564JEBX ROHS RTC-8564JEBX ROHS EPSON 0.0000
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Min: 1

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0.00000000
S-35190A-T8T1G S-35190A-T8T1G ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e6 TIN/BISMUTH (SN/BI) DUAL 260 3V 10 8 YES 0.65mm R-PDSO-G8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
HT1381-8SOPLF HT1381-8SOPLF Holtek 0.0000
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Min: 1

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0.00000000 download 2000 70°C 0°C RoHS Compliant 8 SOP 5.5V No SVHC 2V 500MHz 1
RV-3129-C3-32.768KHZ-OPTION-A-TB-QA RV-3129-C3-32.768KHZ-OPTION-A-TB-QA Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-3049-C3-32.768KHZ-OPTION-A-TB-QC RV-3049-C3-32.768KHZ-OPTION-A-TB-QC Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN SPI, 4-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-8803-C7-32.768KHZ-3PPM-TA-QC RV-8803-C7-32.768KHZ-3PPM-TA-QC Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, RAM 1.5V~5.5V HH:MM:SS YY-MM-DD-dd 350nA @ 3V
AM1815AQ AM1815AQ Ambiq Micro, Inc. 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) RoHS Compliant 16-VFQFN Exposed Pad SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM, Supervisor, Trickle Charger, Unique ID, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.4V~3.6V
RTC-7301DG:BSROHS RTC-7301DG:BSROHS Epson 0.0000
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Min: 1

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0.00000000 Through Hole 85°C -40°C RoHS Compliant DIP Parallel HH:MM:SS (24 hr) YY-MM-DD-dd
ISL1208IB8Z-TK ISL1208IB8Z-TK Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download 7 Weeks Cut Tape (CT) 2004 Active 1 (Unlimited) 8 EAR99 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount -40°C~85°C CMOS 1.7272mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
RS5C338A-E2-F RS5C338A-E2-F Ricoh Electronic Devices Company 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
CBC92132C-Q3-TR3 CBC92132C-Q3-TR3 Cymbet Corporation 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 16-UFQFN Exposed Pad I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Backup Supply Charger, Leap Year, RAM 64B 2.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 50nA @ 2.5V~5.5V 3.2V
RTC62421B RTC62421B Seiko 0.0000
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Min: 1

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0.00000000
R2221L-E2 R2221L-E2 Ricoh Electronic Devices Company 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Clock
S-35190A-I8T1U S-35190A-I8T1U Seiko 0.0000
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Min: 1

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0.00000000
ISL1208IU8Z-TK ISL1208IU8Z-TK Renesas Electronics America 0.0000
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Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 2004 Active 2 (1 Year) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 0.65mm S-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
S-35190A-I8T1U S-35190A-I8T1U ABLIC U.S.A. Inc. 0.0000
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Min: 1

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0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 2.23mm RoHS Compliant 8-SMD, Flat Lead 3-Wire Serial 1.97mm Surface Mount -40°C~85°C CMOS 0.5mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 3V 8 YES 0.5mm R-PDSO-F8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
DS1672S-33 DS1672S-33 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Trickle-Charger 8-SOIC 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
DS1337S DS1337S Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2003 yes Obsolete 1 (Unlimited) 8 SMD/SMT EAR99 3.3V 5mm Non-RoHS Compliant Contains Lead Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 32.768kHz 1.5mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V DS1337 8 Timers or RTCs 2 Alarm, Leap Year, Square Wave Output Clock 56B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
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